Is the sun actually medicine?

Most of us have been taught to fear sunlight.

At best, we think of it as a way to get vitamin D. At worst, we see it as something that damages our skin and accelerates aging. But what if the human body actually runs on light? 

In this episode of Grounded Wellness, we sit down with heliotherapy practitioner and circadian biology educator Zaid Dahhaj to explore the deeper science of sunlight and how it programs nearly every system in the body.

From hormones and metabolism to skin repair, sleep, and mitochondrial function, light acts as one of the most powerful biological signals we receive every day.

We discuss why modern life has disconnected us from the natural light cycles our bodies evolved around, how artificial blue light may be disrupting our health, and why the sun might be one of the most misunderstood forces in modern medicine. 

We also break down how different times of day affect the body differently. Morning sunlight, midday UV exposure, and sunset all play unique roles in regulating circadian rhythms, producing hormones, supporting mitochondrial energy, and even protecting the skin. 

If you’re eating clean, exercising, and doing “all the right things” but still feeling tired, inflamed, or out of sync, your light environment may be the missing piece.

Use code GROUNDED20 at checkout for 20% off of Eucalyptus + Lavender Body Butter. Offer valid through 03/18/26-03/28/26. Limit to one use per customer. Offer cannot be combined with other codes or Pure Points. 

Explore more from Primally Pure: 
Shop: https://bit.ly/4e1HzVv
Blog: https://bit.ly/4gAeIsY
Instagram: https://www.instagram.com/primallypure
TikTok: https://www.tiktok.com/@primallypure

Learn More from Zaid Dahhaj: 
Website: https://www.zaidkdahhaj.com/
Instagram: https://www.instagram.com/zaidkdahhaj/
X: https://x.com/zaidkdahhaj
Substack: https://substack.com/@zaidkdahhaj
Podcast: https://www.youtube.com/c/THE2AMPODCAST